PIPETTE ONE-MARK MBL SODA-LIME GLASS CLASS B 100MLMBL class B one mark (bulb) pipettes from Scilabware are manufactured in soda lime glass to ISO648 and DIN12690 standards and calibrated for delivery, with amber stain graduations and inscriptions. The 1 and 2ml sizes are straight pattern without bulb and the 15ml size is supplementary to the ISO and DIN ranges. Tolerances and colour code: Capacity, ml Code Class B ml 1 Blue 0. 015 2 Orange 0. 020 5 White 0. 030 10 Red 0. 040 15 Green 0. 050 20 Yellow